Can do Hydros, repair compressors and fill tanks
Sub Technology is Just past the Naval Base but before the Mobile Station on side street towards the harbour.
Tanks in French Polynesia (legally) must be hydro teasted every five years and VIP tested annually. You must have paperwork for each test or it will tecnically illegal for a shop to refill your tank.
Another shop named Argos is at the far eastern end of Motu Uta and were re ommended by a scuba shop for hydro testing. Nautisport will handle the testing but at a premium.